\[the literal [ (9110 / 1338 / 5B16)
#the literal # (3510 / 438 / 2316)
\d{0,}a digit, repeated any number of times
#the literal # (3510 / 438 / 2316)
\]the literal ] (9310 / 1358 / 5D16)
g modifier: global. Finds all matches instead of stopping after the first
m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string